HONGYAGU VALLEY SUSPENSION BRIDGE is the longest and largest span suspended glass-cable bridge of the world.  Which lasted two years to complete. This bridge consists of 12 ropes, with a horizontal length of 488 meters and a width of 4 meters. The vertical difference between the bridge and the ground is about 218 meters, which is equivalent to standing on a 66-storey tower. Testing engineers of BECOT GROUP completed the NDT mission successfully of the cables on this bridge recently.